Ionization of Water Clusters is Mediated by Exciton Energy Transfer from Argon Clusters

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The exciton energy deposited in an argon cluster, (Arn ,< n=20>) using VUV radiation is transferred to softly ionize doped water clusters, ((H2O)n, n=1-9) leading to the formation of non-fragmented clusters. Following the initial excitation, electronic energy is channeled to ionize the doped water cluster while evaporating the Ar shell, allowing identification of fragmented and complete water cluster ions. Examination of the photoionization efficiency curve shows that cluster evaporation from excitons located above 12.6 eV are not enough to cool the energized water cluster ion, and leads to their dissociation to (H2O)n-2H+ (protonated) clusters.

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Golan, Amir & Ahmed, Musahid January 25, 2012.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 78 times. More information about this article can be viewed below.

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The exciton energy deposited in an argon cluster, (Arn ,< n=20>) using VUV radiation is transferred to softly ionize doped water clusters, ((H2O)n, n=1-9) leading to the formation of non-fragmented clusters. Following the initial excitation, electronic energy is channeled to ionize the doped water cluster while evaporating the Ar shell, allowing identification of fragmented and complete water cluster ions. Examination of the photoionization efficiency curve shows that cluster evaporation from excitons located above 12.6 eV are not enough to cool the energized water cluster ion, and leads to their dissociation to (H2O)n-2H+ (protonated) clusters.

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458

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  • Journal Name: J. Phys. Chem. Lett.; Journal Volume: 3; Journal Issue: 4

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  • January 25, 2012

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  • May 19, 2016, 9:45 a.m.

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  • July 26, 2016, 5:50 p.m.

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Golan, Amir & Ahmed, Musahid. Ionization of Water Clusters is Mediated by Exciton Energy Transfer from Argon Clusters, article, January 25, 2012; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc836360/: accessed November 28, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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